Lifecycle - Unit test coverage

### Epic Description

Safety Work Products must be established:
- Check the detailed design of the component. Create a test for every interface of the unit showing at least every flow in dynamic diagrams.
- Follow the detailed design to the component requirements and test these requirements.
- Fill in the test attributes based on the previous steps and provide a description.
- Link the test against detailed design or component requirement.

### Acceptance Criteria (DoD)

- [ ] 100% code coverage

see:
- https://eclipse-score.github.io/process_description/main/process_areas/verification/verification_workflows.html#wf__verification_unit_test